<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              @click="getUserList"
              slot="append"
              icon="el-icon-search"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
    </el-card>
    <!-- 用户列表区域 -->
    <el-table :data="userList" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="姓名" prop="username"> </el-table-column>
      <el-table-column label="邮箱" prop="email"> </el-table-column>
      <el-table-column label="电话" prop="mobile"> </el-table-column>
      <el-table-column label="角色" prop="role_name"> </el-table-column>
      <el-table-column label="状态">
        <template v-slot="scope">
          <el-switch
            v-model="scope.row.mg_state"
            @change="userStateChanged(scope.row)"
          >
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <!-- <span v-if="false">{{ scope.row }}</span> -->
          <!-- 修改按钮 -->
          <el-button
            size="mini"
            type="primary"
            icon="el-icon-edit"
            @click="showEditDialog(scope.row.id)"
          ></el-button>
          <!-- 删除按钮 -->
          <el-button
            size="mini"
            type="danger"
            icon="el-icon-delete"
            @click="removeUserById(scope.row.id)"
          ></el-button>
          <!-- 分配角色按钮 -->
          <el-tooltip
            effect="dark"
            content="分配角色"
            placement="top"
            :enterable="false"
          >
            <el-button
              size="mini"
              type="warning"
              icon="el-icon-setting"
              @click="setRole(scope.row)"
            ></el-button>
          </el-tooltip>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    >
    </el-pagination>
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="30%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" show-password></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="slectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {
  usersAPI,
  editUserStateAPI,
  addUsersAPI,
  chkUsersAPI,
  editUsersAPI,
  delUsersAPI,
  getAllRoleAPI,
  setUsersRoleAPI,
} from '@/api'
export default {
  data() {
    // 验证邮箱自定义规则
    var checkEmail = (rule, value, cb) => {
      //验证邮箱的正则表达式
      const regEmail =
        /^[a-z0-9]+([._\\\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/
      if (regEmail.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号自定义规则
    var checkMobile = (rule, value, cb) => {
      const regMobile =
        /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
      if (regMobile.test(value)) {
        //合法的手机号
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少数据
        pagesize: 5,
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户表单
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },

      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6~15个字符之间',
            trigger: 'blur',
          },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          {
            validator: checkMobile,
            trigger: 'blur',
          },
        ],
      },
      // 修改用户的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
        mobile: [
          { required: true, message: '请输入电话', trigger: 'blur' },
          {
            validator: checkMobile,
            trigger: 'blur',
          },
        ],
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      slectedRoleId: '',
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 获取用户列表
    async getUserList() {
      const { data: res } = await usersAPI(this.queryInfo)
      // console.log(res)
      if (res.meta.status !== 200)
        return this.$message.error('获取用户列表失败！')
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      //   console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      //   console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    //监听 switch 开关状态的改变
    async userStateChanged(userInfo) {
      const { data: res } = await editUserStateAPI(
        userInfo.id,
        userInfo.mg_state
      )
      // console.log(res)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('修改用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        // console.log(valid);
        // 校验失败，不发送网络请求
        if (!valid) return
        // 校验成功发起添加用户的网络请求
        console.log(this.addForm)
        // const { data: res } = await this.$http.post('users', this.addForm)
        const { data: res } = await addUsersAPI(this.addForm)
        console.log(res)
        if (res.meta.status !== 201)
          return this.$message.error('添加用户失败！')
        this.$message.error('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await chkUsersAPI(id)
      console.log(res)
      if (res.meta.status !== 200)
        return this.$message.error('查询用户信息失败！')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo() {
      // 表单提交预校验
      this.$refs.editFormRef.validate(async (valid) => {
        //校验失败直接返回
        if (!valid) return
        //校验成功，发起修改请求
        const { data: res } = await editUsersAPI(this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile,
        })
        // const { data: res } = await this.$http.put(
        //   `users/${this.editForm.id}`,
        //   {
        //     email: this.editForm.email,
        //     mobile: this.editForm.mobile,
        //   }
        // )
        // console.log(res)
        if (res.meta.status !== 200)
          return this.$message.error('更新用户信息失败！')
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新列表数据
        this.getUserList()
        // 提示修改成功
        this.$message.success('修改用户信息成功！')
      })
    },
    // 根据id删除对应的用户信息
    async removeUserById(id) {
      //如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await delUsersAPI(id)
      // console.log(res)
      if (res.meta.status !== 200)
        return this.$message.error('删除用户信息失败！')
      this.$message.success('删除用户信息成功！')
      this.getUserList()
    },
    // 展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await getAllRoleAPI()
      if (res.meta.status !== 200)
        return this.$message.error('获取角色列表失败！')
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.slectedRoleId)
        return this.$message.error('请选择要分配的角色！')
      const { data: res } = await setUsersRoleAPI(this.userInfo.id, {
        rid: this.slectedRoleId,
      })
      console.log(res)
      if (res.meta.status !== 200) return this.$message.error('更新角色失败！')
      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.slectedRoleId = ''
      this.userInfo = {}
    },
  },
}
</script>

<style lang="less" scoped>
</style>